Plow.



C. A. CARLSON.

PLOW.y

APPLICATION FILED APR.22.1914.

Patented July 25, 1916.

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C. A. CARLSON.

PLOW.

APPLlcAloN FILED APR.22.19|4.

Patented July 25, 1916.

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CHARLES CARLSON, EVERET", NEVI JERSEY.

PLOW.

Specification of Letters Patent. Patgntgd July 25, 1916. l

Application led April 22, 1914. Serial No. 833,607.

To all whom 'it may concern:

Be it known that I, CHARLES A. CARLSON, a citizen of the United States of America, and a resident of Everett, Monmouth county, and State of New Jersey, have invented certain new and useful Improvements in Plows, of which the following is a specioughly understood, Iv will now proceed to describe the same in the following specification and then point out the novel features thereof in the appended claim.

Referring to the drawings: Figure 1 is a side elevation of a power plow.` Fig. l2 is a sectional side elevation of the same apparatus. Fig. 3 is a plan view partly in section of the power plow shown in the preceding iigures. Fig. it is an end elevation partly in section, on a larger' scale of the vehicle and a part of its driving mechanism. Fig. 5 is an end elevation of a part of the driving mechanism showing in detail a part ofthe reversing mechanism.

Like characters of reference designate corresponding parts in all the figures.

10 designates the frame ofk the vehicle which has near its opposite ends two turntables or fifth wheels 11 each of which rests upon and removably supports an axle 12. Near the ends of these axles on one side of the vehicle frame are shackles 13 which are connected by chains or cables lil-15, with a drum 16 affixed to a transverse shaft 17 about which they are wrapped in opposite directions, and to which they are affixed. Near the opposite ends of the axles are shackles 13A and chains or cables 14A 15A which are wrapped about a drum 16A on shaft 17. Hand wheels 18 afford means for rotating the shaft 17 and its drums 16 and 16A, and the parts are so arranged that this rotation in one direction hauls in the ropes or cables on one side of the vehicle and pays out those on the opposite side, resulting in turning the two axles in opposite directions relatively to the vehicle frame. In this manner the vehicle 1s steered or guided.

Through the center of each axle is a shaft 20 near the center yof which are aflixed two bevel gears 21 and 22. The vehicle wheels 23 are mounted to rotate on the axles and are provided with driving connections 24 with shaft 2O in the usual manner.

25 are bevel driving gears,'one of which 1s mounted in an eccentric bearing 26 in the inner central portion of 4each of the axles 12. These two eccentric bearings may beturned simultaneously by segmental gears 27.and suitable connecting rods and levers 28, from a hand lever 29 at one side of the Vvehicle midway between its ends.

The driving gears 25 will be driven in one direction by the motor. When the lever 29 is thrown in one direction the gear 25, near one end of the vehicle, will, be thrown into mesh with its corresponding gear 21 and will cause its shaft 20 and wheels 23 to be rotated in one direction. At the same ktime the gear 25 near the other end of the vehicle will be thrown into mesh with its corresponding gear 22 to cause rotation of the other vehicle wheels. Consequently, all of the vehicle wheels are driven positively and obviously the direction of drive may be reversed by throwing lever 29 .in the opposite direction.

An internal combustion motor 3() is located in the center of the vehicle and is shown in outline in Figs. 2 and 3 of the drawings with its tank and accessories omitted as these form no part of this ini, vention and may be located in any convenient part of the vehicle. A small gear 31 on the engine shaft is in mesh with a larger gear 32 loosely mounted on a longitudinal shaft 33 below the motor. This larger gear is affixed to one member 34 of a friction clutch the other member of which, designated by 35 is splined to the shaft 33 and is arranged to be thrown into engagement with the clutch member 34: by a hand lever 36 to effect a driving engagement between the engine and the shaft 33.

The driving gears 25 are connected with the shaft 83 by connecting shafts 37 at either' end of each of which are universal joints 38 which provide the desired amount of flexibility for the throw of the eccentric bearings 26 and for the turning movement of the axles 12. As the latter movement changes the distance between the shaft 38 and the gears 25, slightly, the connecting shafts 37 are made of two telescoping members which are arranged to turn together and to have nal movement.

The parts which I have described form a self-propelled, reversible and dirigible vehiclel which obviously is useful for many farm and other purposes as it may be used as a tractor or a truck. But the specific object of this invention is to provide a double ended reversible plow which may be done by attaching the parts which now will be described;

yEach of the plow attachments comprises a frame 40 which may be bolted to the vehicle frame 10 and on which are mounted downwardly projecting supports such as 4]. Near the lower end of cach of these supports isa vertical row of holes 42 in any one of which a pin may be inserted to pivotally` support a plow beam 43 on the other end of which is a plow-share 44 which is pointed toward the transverse central plane of the v vehicle. On the frame 40 is a bearing block 45 in which is pivoted a bell-crank lever 46. 47 is a connecting rod between one arm of this bell crank lever and the plow beam 43. f

One of these bell crank levers is connected by a rod 48 with a hand lever 49 near the center of the vehicle, by vmeans of which the plows atv one end of the vehicle may be raised or lowered. The other bell crank lever 46 is connected by a rod 50 with a. hand lever 5l so that the plows at the other end may be raised or lowered. The hand levers 49 and 51 are mounted to swing on a common center 52 with a sector 53, the periphery of which is notched to receive locking pawls on the hand levers. The sector itself may be swung about the center 52' by a handle 54 which obviously raises the t plows at one end of the vehicle and simultaneously lowers those at the other end. y By reference to Fig. 3 it may be seen that the frames 40 are each adapted and arranged to carry a gang of plows, two being shown at each end of the vehicle.

In operating this device the operator is seated in the center of the vehicle where all of the steering and controlling devices 'are within easy reach. After running the length of a field and plowing as many furrowsv as there are plows at the end of the vehicle, the vehicle is stopped, the plows which have been dragged are lifted, and those at the other end of the vehicle are lowered. Then the vehicle is run in the opposite direction along a path parallel to that which it had previously traversed. Thus there is no ne cessity of turning the apparatus 'around which is generally an awkward and time consuming operation. Moreover, with this device th'iield may be plowed much closer to the line fences or walls 'than is possible with such apparatus of this type as has been Y available hitherto. Y

VI have shown an embodiment of my inf vention in more or less diagrammatic form as it may be embodied in structures of widely Adifferent design, and I intend no limitations other than those imposed in the appended claim. f

I/Vhat I claim is: Y

A reversible vehicle, a plow at each end of the vehicle, both of said plows being pointed toward the central transverse plane of the vehicle, means for simultaneously raising the plow at one end of the vehicle and lowering theV plow at the other end thereof and other meansfor independently adjusting the vertical position of either of the plows.

In witness whereof, I have hereunto set my hand in the presence of two subscribing witnesses, this 20th day of April., 1.914.

, CHARLES A. CARLSON.

Witnesses:

R. J. DEAnBoRN, F. GRAVES.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

